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|
(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the GNU Library General Public License, with *)
(* the special exception on linking described in file ../LICENSE. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* System interface *)
external get_config: unit -> string * int = "sys_get_config"
external get_argv: unit -> string * string array = "sys_get_argv"
let (executable_name, argv) = get_argv()
let (os_type, word_size) = get_config()
let max_array_length = (1 lsl (word_size - 10)) - 1;;
let max_string_length = word_size / 8 * max_array_length - 1;;
external file_exists: string -> bool = "sys_file_exists"
external remove: string -> unit = "sys_remove"
external rename : string -> string -> unit = "sys_rename"
external getenv: string -> string = "sys_getenv"
external command: string -> int = "sys_system_command"
external time: unit -> float = "sys_time"
external chdir: string -> unit = "sys_chdir"
external getcwd: unit -> string = "sys_getcwd"
external readdir : string -> string array = "sys_read_directory"
let interactive = ref false
type signal_behavior =
Signal_default
| Signal_ignore
| Signal_handle of (int -> unit)
external signal: int -> signal_behavior -> signal_behavior
= "install_signal_handler"
let set_signal sig_num sig_beh = ignore(signal sig_num sig_beh)
let sigabrt = -1
let sigalrm = -2
let sigfpe = -3
let sighup = -4
let sigill = -5
let sigint = -6
let sigkill = -7
let sigpipe = -8
let sigquit = -9
let sigsegv = -10
let sigterm = -11
let sigusr1 = -12
let sigusr2 = -13
let sigchld = -14
let sigcont = -15
let sigstop = -16
let sigtstp = -17
let sigttin = -18
let sigttou = -19
let sigvtalrm = -20
let sigprof = -21
exception Break
let catch_break on =
if on then
set_signal sigint (Signal_handle(fun _ -> raise Break))
else
set_signal sigint Signal_default
(* OCaml version string, must be in the format described in sys.mli. *)
let ocaml_version = "3.06+26 (2003-03-26)";;
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